Provider Profile
Marissa Santiago is a physician assistant based in Tooele, UT. According to Medicare claims data, Marissa cared for 88 Medicare patients across 228 services. The services billed most often include injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg, aspiration and/or injection of fluid from large joint, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1801460274.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2321 N 400 E STE 300
Tooele, UT 84074
228 services · 88 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
33 | Less often than most peers in Physician Assistant |
| Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Drug given | J0702 |
134 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
29 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
17 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
15 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Marissa Santiago is a physician assistant in Tooele, UT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Marissa Santiago is listed at 2321 N 400 E Ste 300, Tooele, UT 84074. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (435) 833-9180. Contact the office directly to confirm availability and scheduling.
NPI registry
Marissa Santiago's National Provider Identifier is 1801460274. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Marissa Santiago attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Marissa Santiago has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Marissa Santiago performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Marissa Santiago. If this is you, claiming it is free.
Guide.md
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